Python 2.6, 3.2, 3.3 - not available anymore for travis, drop them

Author: Sergey Dryabzhinsky

.travis.yml

@@ -3,18 +3,9 @@ dist: xenial
 language: python
 matrix:
   include:
-    - name: "Python 2.6 Trusty AMD64"
-      python: 2.6
-      dist: trusty
     - name: "Python 2.7 Xenial AMD64"
       python: 2.7
       dist: xenial
-    - name: "Python 3.2 Trusty AMD64"
-      python: 3.2
-      dist: trusty
-    - name: "Python 3.3 Trusty AMD64"
-      python: 3.3
-      dist: trusty
     - name: "Python 3.4 Xenial AMD64"
       python: 3.4
       dist: xenial

setup.py

@@ -207,10 +207,7 @@ def my_test_suite():
         'Operating System :: POSIX',
         'Programming Language :: C',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 2.6',
         'Programming Language :: Python :: 2.7',
-        'Programming Language :: Python :: 3.2',
-        'Programming Language :: Python :: 3.3',
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',